Spiralling electron beams have the potential to measure and manipulate
the properties of single atoms.
In addition to the unique energetic
properties of single atoms, the CO2 conversation reaction was facilitated by the interaction of the nickel atoms with a surrounding sheet of graphene.
Not exact matches
These fundamental
properties made Xu and Jarillo - Herrero suspect that chromium triiodide would retain its magnetic characteristics when stripped down to a
single layer
of atoms.
The most widely studied set
of quantum numbers is that for a
single electron in an
atom: not only because it is useful in chemistry, being the basic notion behind the periodic table, valence (chemistry) and a host
of other
properties, but also because it is a solvable and realistic problem, and, as such, finds widespread use in textbooks.
The wonder material graphene, a
single layer
of carbon
atoms with extraordinary
properties, has been proposed as one solution.
Borophene — stable,
single -
atom - thick layers
of boron — displays remarkable
properties [Also see Report by Mannix et al..]
Two examples: graphene —
single -
atom - thick sheets
of carbon
atoms — has unique mechanical, electrical, and optical
properties; and two - dimensional electron gases (2DEG)-- planar collections
of electrons supported at the interface between certain semiconductors such as gallium arsenide — allow the observation
of such emergent behaviors as the quantum Hall effect and the spin Hall effect.
Graphene — a hexagonal lattice
of single layer carbon
atoms exhibiting outstanding charge and heat transport
properties — has garnered extensive research and development interest.
Usually, only the wave
properties of single particles play a role, but now researchers at the Vienna Center for Quantum Science and Technology, Vienna University
of Technology have succeeded in quantum mechanically controlling hundreds
of Rubidium
atoms of an ultracold Bose - Einstein - condensate by shaking it in just the right way.
Phase change materials that change their optical
properties depending on the arrangement
of the
atoms allow for the storage
of several bits in a
single cell.
Phosphorene — a
single layer
of phosphorous
atoms — was isolated for the first time in 2014, allowing physicists to begin exploring its
properties experimentally and theoretically.
The finding that a
single layer
of atoms modifies
properties of light and other electromagnetic radiation has implications for controlling light at subwavelength scales in photonic devices such as LEDs and photovoltaic cells.
Indeed, the team is expanding their study to the
properties of the nearly ubiquitous hydronium and methyl groups, which contain a
single oxygen or carbon
atom and three hydrogen
atoms.
The results demonstrate that the positions
of tens
of thousands
of atoms can be precisely identified and then fed into quantum mechanics calculations to correlate imperfections and defects with material
properties at the
single -
atom level.
The 3 - D reconstruction reveals the arrangement
of atoms in unprecedented detail, enabling the scientists to measure chemical order and disorder in individual grains, which sheds light on the material's
properties at the
single -
atom level.
(Graphene is a
single -
atom - thick sheet
of carbon with a host
of unusual
properties.)